ALI, M.; SMARANDACHE, F.; SHABIR, M.; NAZ, M. . Soft Neutrosophic Bigroup and Soft Neutrosophic N-Group. Neutrosophic Sets and Systems, [S. l.], v. 2, p. 55-81, 2020. Disponível em: https://fs.unm.edu/NSS2/index.php/111/article/view/259. Acesso em: 8 jun. 2023.